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Prev Professional Automotive Repair Technical Discussions for November 13, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1984 BMW 528e 2.7L can't rev up VIN: WBADK7309E
Hi BMW Techs & Fellow ! Car was tow in .when you start the engine won't hold idle. check fuel pressure & found only .8 i replace fuel filter,fuel pump & fuel pressure regulator. car runs after that but can not rev up more than 2500 rpm. This car has no ...
1997 Chevrolet K1500 5.7L Excessive Emissions, Poor Idle Quality VIN: 1GBEK19R7V
Hello all This truck came in running very fat. The map was out of range 2.5 volts. Replaced and now runs 1.0-1.3. Tried another mass air flow which runs about 8.7 volts on a hot engine. Replace the pressure reg since fuel pressre was at 75 psi. That made a big...
1998 Dodge Dakota 5.2L abs VIN: 1B7GG22YOW
vehicle came in with abs amber and red brake light iluminate as soon as you turn the key. hooked up scanner could not comunicate with abs so we tested speed sensor and it glitched so we replaced it. now the lights dont come on until after you drive about 1/2 ...
1992 Ford Ranger STX 4.0L Slow start VIN: 1FTCR14X7N
when truck is cold , turns over for a long time before it starts, truck has been tuned up less then a year ago, new fuel filter, new fuel pump, new starter, new battery, fuel pressure is within spec, tried new coil pack.
1997 Ford F-250 XL 7.3L no upshift VIN: 1FTHX26FXV
Trying to save a friend a buck or two. Came to me with this truck that doesn't want to upshift. When I first looked at it it had no codes and had all shifts except OD. Shifts where high and hard but where there. Scaned system and no codes. Came back later and ...
2004 Ford F-250 Super Duty XL 6.0L MIL Lamp on VIN: IFTNW21PX4
Hi everybody, I have these codes coming up all the time on a customers F250 Ford in New Zealand cant supply any test info or any idea what causes the code. it dosent seem to affect the vehicles performance which does a lot of towing. the mil light comes on wi... Trouble codes: P2263 (tc/sc boost system performance), U1262 (scp data fault for j1850 bus)
2000 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19W2Y
Van came in for state inspection, failed for MIL with P0 172 and 175-rich condition. Replaced injector/pressure regulator assy. cleared codes, vehicle returned 1 day later, passed inspection. 2 days later, MIL returned w/ same codes. Replaced 02's, swapped out... Trouble codes: P0172, P0175
1986 Honda Civic 1.5L rear brakes
Had this 86 honda civic crx with a rear brake noise that sounded like they were down to metal. a brake check showed all the brakes were in bad shape, but not down to metal.after a complete brake job(see repair history )the noise is still there. it is really no...
1997 Jeep Grand Cherokee Laredo 4.0L ABS motor VIN: 1J4GZ58S8V
The ABS light comes on intermitantly. Sometimes for a day, the last time it was on for just over a month. Checked codes and says motor not working. I tested the motor with alternate power source and it does run, sounds a little odd, but does work. The light is...
1990 Mercedes-Benz 300E 3.0L Star and stall VIN: WDBEA30D9L
Looking for help. we replaced the engine in this car with a used assy. from same make model and year. the car will start and die right away. Test show loss of fuel pressure. When the fuel pump relay "MAS" is jumped, the car runs fine. if the key is held in the...
1991 Pontiac Grand Prix SE 3.1L Cuts out VIN: 1W36TW457H
hi all i have the pontiac that has got me stumped it came from another shop with missing plug wires and a broken intake plenium at the egr bolt-on mounts and a note from the customer, saying the other shop replaced a bad ing. module so i replaced the plug wire...
1992 Pontiac Grand Am SE 3.3L abs VIN: 1G2NE14N9N
I'm pulling out my hair on this one.It seems to have all the power circuits up and grounds.Motor packs cycle when crank up.I cannot seem to find the reason for no comunication. I would appreciate any help.Robert
1999 Subaru Impreza Outback 2.2L Poor Fuel Economy, MIL Lamp on VIN: JF1GF4858X
the questions i have are symptom based the vehicle has a cat code po420 and the only test from mitchell are inspections for restricted cats as this makes sense i would like to know if there other tests out there.but the main question is the customer said it is... Trouble codes: 420 (cat effientcy)
2000 Volvo S70 GLT SE 2.4L MIL Lamp on VIN: YV1LS56D9Y
Customer arrived w/ MIL. Found code P01174, an unsupported OE code. I think this is a F I related code, possible regarding the air mass meter. Anybody have any experience with this or related codes? Thanks for your help in advance. Trouble codes: P1174

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Audi A8 Quattro 4.2L Cooling Systems VIN: WAUBG74D8W
Michael and Yuval hit the nail right in the head. There is a short plastic pipe that press fits between the oil cooler and the block, with o-rings. This car's pipe was actually broken in two. Don't know why it only leaked sometimes. Thanks for all your help....
1947 Chevrolet One Ton 250CID Crank Balancer VIN: 7143304811
Hey Guys...Thanks for the help. The Crank Pulley was just really stuck. Some replies mentioned a bolt and washer holding it, but this was not the case. Attached puller, tightened as much as I could, then shoved a steel bar through the hole in the grille for th...
2001 Chevrolet Tahoe 5.3L Drive-axles VIN: 1GNEK13T61
Customer hasn't returned yet, overall concensus is that it is the normal abs self test and likely a hose/cable/line is grounding and transmitting the noise. Will update with final fix as soon as possible. Thanks to all who offered assistance.
1998 Chrysler Cirrus LXi 2.5L No Start VIN: 1C3EJ5WN31
You guys were right,it was a ground problem. I found a ground wire that had gotten pushed back up into the wire loom that grounded to the head. Thank you Lorne for taking time to fax me the pin outs. Thanks again for everyones help...Shawn
1996 Dodge Grand Caravan ES 3.8L No Start, Stall VIN: 1B4GP54L8T
Thank you to all who responded. I inspected the engine harness in multiple locations as many of you suggested. No opens or shorts were found. During testing I originall was back probing as to not disturb connections. I reluctantly disconnected many connectors ...
1994 Ford Aerostar Eddie Bauer 4.0L noise VIN: 1FMDA41X3R
Well as of this time I have not narrowed down the problem. I have had suggestions from axle diameter to the wrong diff fluid. As I stated in the first post the trouble did`nt start until I repaired another problem. I at this point I`m going to pump out the fro...
1996 Ford Thunderbird LX 3.8L Hesitation, MIL Lamp on VIN: 1FALP6246T
Most of you all hit it on the head, the MAF seemed to do it. We cleaned it (gentle spray and soak) and it seems to have fixed it. When I first started to help him on this, I unplugged the MAF thinking like other models it would just go to a default and run ok ...
1999 Ford Taurus SE 3.0L Starting VIN: 1FAFP53S8X
Will I found the problem with this car with the help of my friends at the local L & M dealer. I was not getting a signal(+) to some of the relays. We found a broken wire in the left front fender wheel near were the wiring harness goes thru the fire wall Care...
1991 Mitsubishi Mighty Max 2.4L No Start VIN: JA7FL24W3M
First thanks for the 3 replys and the techs know who they are. After replacing the fuel regulator and having the hose off directly behind it the fuel pressure stayed the smae. so i know that there wasn't a restriction in the remaining lines to the tank. What w...
2000 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D7Y
The problem was the vacuum bypass valve solenoid located near the canister tank Trouble codes: P1491 (Vacuum Control Valve by-pass valve).
1990 Saab 900 SPG 2.0L Brakes VIN: YS3AL35LXL
Thanks for all the replies. I considered all of them either before I posted or after. Anyway the car is fixed. I had taken all the calipers off for the third time, I was looking to see if anything was hanging up. The last time I took the sliders/mouints apart ...
1996 Volkswagen Golf GL 2.0L converter/electronics VIN: 3VWFA81H3T
Well good folks thank you for the suggestions,the problem was the transmission.We had to resort to process of elimination for part of this answer,after replacing all the engine components with parts from a loaner car,the AFmeter all the ignition components ect...
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